The current example in the try/catch section (under 8.3.2) is as follows:

<xsl:try select="salary div length-of-service">
  <xsl:catch errors="err:FOA0001" select="()"/>
</xsl:try>

The error FOA0001 does not exist (and I wonder whether it is mandatory to raise an error if the EQName does not resolve to an existing error code in the linked specifications).

It should be err:FOAR0001 (division by zero).

Also note that the third example in this section has a closing "</xsl:try>" that is incorrectly indented.